Made of strong, medical grade polypropylene, autoclavable Tri-corner design provides three dripless pouring spouts Disposable/Reusable Molded Graduations Five different sizes meet different needs

Biologix clear polypropylene non-sterile (rnase & dnase free) conical bottom microcentrifuge tubes with safe lock or flat top caps available. Tubes have frosted writing area and marked graduations.